Company lists · Data verified August 2026

Top 25 Domestic relations law firms based in Canada

Name: Domestic relations law firms based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 610 companies tracked

There are 610 domestic relations law firms headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 4,178 professional contacts across them, including 2,136 with verified work emails and 245 with mobile numbers. Toronto is the largest hub.

This list covers domestic relations law firms headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

610Companies

4,178Contacts tracked

2,136Verified emails

245Mobile numbers

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The 25 largest domestic relations law firms based in Canada

Ranked by team size

Top 25 of 610 domestic relations law firms based in Canada, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Mills & Mills LLP	Toronto, ON	51-200	87	55
2	Simpsonwigle LAW LLP	Burlington, ON	51-200	75	61
3	Mann Lawyers LLP	Perth, ON	51-200	67	52
4	RDM Lawyers LLP	Langley, BC	51-200	61	45
5	Dunphy Best Blocksom LLP	Calgary, AB	11-50	59	37
6	Sicotte Guilbault Legal Services	Ottawa, ON	51-200	56	42
7	Tapper Cuddy LLP	Winnipeg, MB	51-200	47	32
8	MDW LAW - Nova Scotia	Halifax, NS	11-50	43	36
9	Macdonald & Partners LLP	Toronto, ON	11-50	42	21
10	Heath LAW LLP	Nanaimo, BC	11-50	41	31
11	Crossroads LAW	Calgary Alberta, AB	51-200	38	28
12	Giffen Lawyers	Waterloo, ON	51-200	35	9
13	Bales Beall LLP	Toronto, ON	11-50	30	25
14	Nussbaum LAW	Toronto, ON	11-50	29	25
15	Daunais Mckay & Harms	Calgary, AB	11-50	21	18
16	Family LAW Group	London, ON	11-50	19	10
17	Verdon Armanda Gauthier, Avocats	Quebec, QC	11-50	18	12
18	Onyx LAW Group	Vancouver, BC	11-50	17	15
19	Conrad Dillon Robinson LAW	Dartmouth, NS	11-50	16	13
20	WK Family Lawyers LLP	Calgary, AB	11-50	16	12
21	Soby Boyden Lenz LLP	Calgary, AB	11-50	15	4
22	Stokes LAW LLP	Calgary, AB	11-50	14	3
23	Tandem Family LAW Droit DE LA Famille	Moncton, NB	11-50	13	12
24	Amica LAW Corporation	Winnipeg, MB	11-50	13	10
25	Oakley Family LAW	Calgary, AB	11-50	13	8

Showing 25 of 610 domestic relations law firms based in Canada

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Domestic relations law firms based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 93 HQs

245Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

431

11-50

152

51-200

Domestic relations law firms by metro

Metro	Companies
Domestic relations law firms in Toronto	93
Domestic relations law firms in Calgary	49
Domestic relations law firms in Vancouver	33
Domestic relations law firms in Ottawa	24
Domestic relations law firms in Edmonton	24
Domestic relations law firms in Montreal	21
Domestic relations law firms in Mississauga	20
Domestic relations law firms in Surrey	11

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “domestic relations law firms”, with match quality audited by blind human judging, and headquartered in Canada.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 2 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many domestic relations law firms are there based in Canada?

There are 610 domestic relations law firms headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Mills & Mills LLP, headquartered in Toronto, tops this list with the largest team on record.

Which city has the most domestic relations law firms?

Toronto leads with 93 headquartered companies, followed by Calgary (49) and Vancouver (33).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,136 verified decision-maker contacts tracked across these 610 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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Domestic relations law firms by geography

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.